... Components made from coarse-grained alloys often exhibit crack initiation in the far field of notches or bore holes when subjected to static and cyclic loading at high temperature or under thermo-mechanical fatigue (TMF) conditions. It is often the combination of elevated stress and a weak spot...

... test piece geometries at service-like thermo-mechanical fatigue (TMF) conditions. A standard tool for gathering such information, employed in both research and industry, is the potential drop method. However, in combination with alternating temperature and power surges from heating devices, this method...

... and thermo-mechanical experiments. The results show that the model provides successful simulations for the material response over a broad range of temperatures and strain rates, including cyclic softening and thermal recovery. cast aluminum alloy thermo-mechanical fatigue high temperature...

... This paper presents an investigation of the damage mechanisms in protective coatings deposited on a single crystal superalloy, under TMF (thermo-mechanical fatigue) loading conditions. This includes an aluminide coating called C1A and a Thermal Barrier Coating (TBC). Different TMF cycles...

... fatigue strength and the tensile creep resistance. It was hence of interest to perform a systematic study of the thermo-mechanical fatigue (TMF) behavior of specimens of a monocrystalline nickel-base superalloy with the main aim to test whether an initial γ/γ' raft microstructure can also enhance the TMF...

... Results of collaborative research by “Subcommittee on Superalloys and Coatings” in The Society of Materials Science, Japan (JSMS), are presented, which cover the thermo-mechanical fatigue (TMF) and high temperature isothermal low-cycle fatigue (ILCF) strengths of Ni-Base superalloy, substrate...

... The high-temperature titanium alloy IMI 834 was studied with regard to the stress-strain response under thermo-mechanical fatigue conditions, the evolution of the microstructure, the relevant damage mechanisms and their implications for fatigue life. For this purpose isothermal and thermo...

... In total strain controlled in-phase and out-of-phase thermo-mechanical fatigue (TMF) tests on NiCr22Co12Mo9 (Inconel 617, Nicrofer 5520 Co) with a maximum temperature of 1123 K, a minimum temperature of 473 K and different mechanical strain amplitudes the cyclic stress-strain response...

... This paper describes the thermo-mechanical fatigue behavior of Al-Si-Cu-Mg casting alloy. The alloy is widely used for cylinder heads and pistons of automobile engines. Repeated cycling between driving and resting, or low-power and high-power driving cause thermal cycling in the engine materials...

... Isothermal and thermo-mechanical fatigue (TMF) behavior of a dispersion-strengthened aluminum alloy has been studied between room temperature and 350°C. Cyclic stress-strain (CSS) response was found to be dominated by dispersoid-dislocation interactions, and thus, the effect of an additional SiC...

... Test blankets of a thermo-nuclear fusion reactor are subjected during service to alternating thermal and mechanical stresses as a consequence of the pulsed reactor operation. Of particular concern is the thermo-mechanical fatigue (TMF) endurance of 9% Cr low activation ferrite-martensite steels...

... Total strain-controlled thermo-mechanical fatigue (TMF) tests were performed between 600 and 1100‡C on as-grown near to [001]-orientated specimens of the γ′ precipitate-strengthened monocrystalline nickel-base superalloy CMSX-6. The strain-temperature cycle (in-phase, out-of-phase, diamond) has...

...-oxidation mechanism under low strain loading. An “integrated approach” combining TF and TMF (thermo-mechanical fatigue) is proposed. The applied TMF temperature-strain cycle is deduced from the measured TF-cycle. Under this new temperature-strain cycle the crack initiation life and the total life in TMF...

... Strain controlled thermo-mechanical fatigue cycles simulating the temperature-strain-time history at critical locations of blades of advanced aero gas turbines are applied to the single crystal nickel based alloy SRR99 in the uncoated and aluminide coated conditions. The TMF cycle selection...

... length, are discussed and the model predictions are compared with the experimental observations. Thermo-mechanical fatigue aero engines micro-cracking superalloy single crystal coating crack shielding multiple cracking life assessment surface crack J o h a n B r e s s e r s I, Jos4 M. M...

... developed here are an effective tool for material evaluation, specifically for the critical assessment of materials for high temperature applications in hydrogen and hydrogenous gases. thermo-mechanical fatigue thermal cycling test environmentally-assisted cracking hydrogen embrittlement gamma...

... In this study, an analysis of the thermo-mechanical fatigue (TMF) behavior of titanium-based metal matrix composites (MMCs) is accomplished by employing a modified method of cells micromechanics model coupled with a fiber/matrix interfacial failure scheme and the Bodner-Partom unified...

... Synergistic effects of oxidation on high temperature isothermal and thermo-mechanical fatigue behavior are studied. Experiments were conducted under different strain-temperature variations and atmospheres to reveal the varying severities of oxide induced failure. Conditions conducive...

... tests at various temperatures and post-thermal cycling tension tests are presented. metal matrix composites titanium-aluminide mechanical testing thermal fatigue thermo-mechanical fatigue George A. Hartman t and Stephan M. Russ 2 Techniques for Mechanical and Thermal Testing of Ti3AI/SCS-6...

... (predominantly Fe 3 O 4 ) were identified in the experiments. thermo-mechanical fatigue isothermal fatigue oxidation block loading life prediction mechanical strain oxide cracking damage stress-strain response M. L. Karasek, ^ Huseyin Sehitoglu, ^ and D. C. Slavik^ Deformation and Fatigue Damage...